La Sommeliere SLS48.2 Notice D'utilisation page 34

 The appliance's thermostat is electronic and allows you to
set the temperature between 5 and 20 degrees.
For wine storage, it is recommended that you set your
appliance to 12 degrees.
This temperature can be adapted according to the type of
wine stored.
Setting the temperature above 12 degrees will reduce the
energy consumption of the appliance.
Setting the temperature below 12 degrees will increase the
energy consumption of the appliance. Some models allow
you to set different temperature levels in the same cellar.
The appliance ensures that the temperature is maintained
as long as it is in operation and used under normal
conditions.
The temperature inside the appliance can be influenced by
many factors: room temperature, exposure to the sun,
number of door openings and the number of bottles
stored... Slight changes in temperature are perfectly
normal.
33